/Engine/Source/Developer/MaterialUtilities/Public/MaterialUtilities.h
Creates aFFlattenMaterialinstance with the given MaterialProxySettings data
Set upFFlattenMaterialaccording to the given settings
static [FFlattenMaterial](API\Developer\MaterialUtilities\FFlattenMaterial) CreateFlattenMaterialWithSettings ( const [FMaterialProxySettings](API\Runtime\Engine\Engine\FMaterialProxySettings) & InMaterialLODSettings )